Deals expire for many reasons, usually because the price increased or the product sold out. In some cases, the deal may still be available.
Brad's Deals Editor Tom,
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This Smart Door Knob with Keypad Fingerprint Lock, originally listed at $79.99, drops to $47.99 at Monuple via Amazon when you click the on-site coupon and use promo code TXARJ5N4 during checkout. Plus shipping is free. This lock sells for over $70 elsewehre online. This lock can store up to 50 fingerprints and can also be operated via code, app, or traditional key.